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use super::{PgConnection, PgTypeMetadata};
use prelude::*;
#[allow(missing_debug_implementations)]
#[repr(transparent)]
pub struct PgMetadataLookup {
conn: PgConnection,
}
impl PgMetadataLookup {
#[allow(clippy::new_ret_no_self)]
pub(crate) fn new(conn: &PgConnection) -> &Self {
unsafe { &*(conn as *const PgConnection as *const PgMetadataLookup) }
}
pub fn lookup_type(&self, type_name: &str) -> PgTypeMetadata {
use self::pg_type::dsl::*;
pg_type
.select((oid, typarray))
.filter(typname.eq(type_name))
.first(&self.conn)
.unwrap_or_default()
}
}
table! {
pg_type (oid) {
oid -> Oid,
typname -> Text,
typarray -> Oid,
}
}